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My Math Videos



THE FIREFOX BROWSER DOES NOT SHOW ALL UPDATES AND VIDEOS.  USE ANOTHER BROWSER TO SEE ALL OF MY VIDEOS.  
You can search this site by putting a word in the Search this Site button top right, OR CLICK ON A TOPIC BELOW (left column in alphabetical order--it is a work in progress; most videos are not there yet, but you can click on the right by category). 
Alternative Arithmetic Methods (I think these are easier ways to add, multiply, etc.)


Fun Math Videos
Moebius (Mobius) Strip: Discover how to make a Moebius strip, as well as some very cool things about it: http://youtu.be/1xKiSSVY5bI



Scratch Addition: Quick and easy way to add a column of single digit numbers using the Scratch or Dot Method. http://youtu.be/aobn006_rl0

Multiply by 9 the easy way: multiply single digits by 9, and larger numbers when all the digits are the same, like 88888 x 9
http://www.youtube.com/watch?v=VFHDn4TKHDM

Numerals: About Hindu-Arabic numerals and/or the Indian numerals.  I do not know the exact origins.
http://www.youtube.com/watch?v=bwQpCJroCac
Squaring numbers whose digits are all ones like 11 x 11 or 11111 x 11111, etc. Show your friends!
http://www.youtube.com/watch?v=xTffv1lpwGg